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Once connections are established between devices, you can start exchanging data.
The exchanged data can take the form of a simple byte array, such as a short
text message; a file, such as a photo or video; or a stream, such as the audio
stream from the device’s microphone.
Data can be sent using the following connection manager instance methods:
send(_:to:)
startStream(_:to:)
sendResource(at:withName:to:)
The following connection manager delegate methods can be utilized when receiving
data.
Swift
extension Example: ConnectionManagerDelegate {
func connectionManager(
_ connectionManager: ConnectionManager, didReceive data: Data,
withID payloadID: PayloadID, from endpointID: EndpointID) {
// A simple byte payload has been received. This will always include the full data.
}
func connectionManager(
_ connectionManager: ConnectionManager, didReceive stream: InputStream,
withID payloadID: PayloadID, from endpointID: EndpointID,
cancellationToken token: CancellationToken) {
// We have received a readable stream.
}
func connectionManager(
_ connectionManager: ConnectionManager,
didStartReceivingResourceWithID payloadID: PayloadID,
from endpointID: EndpointID, at localURL: URL,
withName name: String, cancellationToken token: CancellationToken) {
// We have started receiving a file. We will receive a separate transfer update
// event when complete.
}
func connectionManager(
_ connectionManager: ConnectionManager,
didReceiveTransferUpdate update: TransferUpdate,
from endpointID: EndpointID, forPayload payloadID: PayloadID) {
// A success, failure, cancelation or progress update.
}
}